The above Royal Mail Queen Mother 90th Birthday stamps were issued on 02 August 1990 by Royal Mail and feature the following stamp designs:
20p Queen Mother; 29p Queen Elizabeth; 34p Duchess of York; 37p Elizabeth Bowes-Lyon. The In blue outfit first day cover with the
London SW1, Clarence House,
Special Handstamp
postmark
has been produced by Benham
and features these stamps which can make a very collectible and lovely gift.